A study led by University of Michigan researchers found that despite a drop-off in plankton, the tiny plants and animals on which bighead and silver carp typically feed, the lake has enough dietary options to
Some of the invasive fish reportedly from 20 to 30 pounds.
Thousands of the invasive carp reportedly clustering near the base of Lake Decatur dam.
The plan would use technology such as underwater loudspeakers, electric cables and air bubble curtains to deter the fish from migrating between the Illinois River and Lake Michigan through Chicago-area waterways.
The invasive was verified in the James River near LaMoure.
Efforts conducted June 3-14 included environmental DNA surveillance at more than 400 sites and investigation of 602 sites for fish.
The survey came after news broke that Gov. J.B. Pritzker wrote the U.S. Army Corps of Engineers a letter last week indicating that he had authorized the state’s collaboration with preconstruction, design and engineering work
But a follow-up search turned up none of the invasive fish.
Location of choice is considered a crucial choke point where the invasive carp could be prevented from migrating upstream toward the lake.